No matter what type of car, truck, or SUV you drive, old or new, it probably has doors. Those doors are heavy, and they see a lot of use. Naturally, from time to time, parts wear out. If your door doesn’t function as well as it should, here’s why, courtesy of Harold's Used Auto Parts Inc in Philadelphia.

If you’ve ever been in an emergency braking situation, you’re probably all too aware that the brakes are the most important safety system on your vehicle. And like many other systems in a vehicle, the brakes need regular upkeep to continue functioning properly. One way to preserve the integrity of the braking system is through brake bleeding, and while it may not be as well known as certain services like oil changes, it is a key maintenance item for a vehicle.

At Harold's Used Auto Parts Inc in Philadelphia, we know that keeping up with required maintenance schedules is the difference between a truck that lasts a few years and a truck that stays strong for decades.

Now that you know why your turbo is necessary, you’ll want to know what the turbocharger is made of. Turbos are intricate and precise components, but not actually all that complicated or difficult to understand. Here’s a rundown on the parts of a turbocharger, from Harold's Used Auto Parts Inc in Philadelphia, PA.

At Harold's Used Auto Parts Inc in Philadelphia, cars are our passion, so naturally, we like to keep up with new technology on the market. At the moment, surprisingly the current trend is moving towards a goal you may not expect; self-driving vehicles. You’ve probably heard about self-driving cars a little bit here and there on the news, but it likely still seems somewhere in the realm of science fiction to you. However, the reality is that self-driving cars are on the way and maybe here sooner than you think. Already, almost all major automobile manufacturers are dumping billions of dollars into research and development for self-driving cars, and even companies like Uber are jumping on board. 

Buying a used vehicle can be a risky endeavor, but also a rewarding one. Buying used, even if the vehicle is close to new, will save you a lot of money compared to the price of a new vehicle off the lot. However, there are some inherent risks that come with purchasing a used vehicle; here is how to best avoid trouble.

Nearly every day, you drive your vehicle. Whether it be a couple of miles to the store or a full-on road trip across the nation, you want to make sure that your vehicle is safe to drive and the systems are in check and/or up-to-date. Here are a few reminders to check and see if your vehicle is running in top shape.

At Harold's Used Auto Parts Inc in Philadelphia, we know that the first and most important step toward keeping your car, truck, or SUV reliably on the road, is knowing how to properly care for it. Here are a few tips on how to keep your vehicle in shape.

Judging by the number of near-rear-endings we witness on our morning commutes, the typical attitude toward brake maintenance appears to be, “Brakes: Don’t let them stop you!” This puzzles us because monitoring your braking system’s health is one of the most straightforward aspects of car ownership. You do have to know what to look for, though, or rather, what to listen and feel for. So let us, uh, break it down for you. Here are the top three signs that your brakes need fixing.

A good technician will give your car a quick inspection whenever you have maintenance performed. Fluid levels, tire condition, dashboard lights, and a variety of other items typically are briefly explored whenever you bring your vehicle in for maintenance. At Harold's Used Auto Parts Inc in Philadelphia, we're good at noticing things that need repair, but the fact of the matter is that only you know your car. You know when your car feels off when its been serviced last (or that it hasn't been serviced at all,) and have at least some vague idea of what’s going on with your vehicle day to day. Here are some questions you can ask us next time you come by the shop;

At Harold's Used Auto Parts Inc in Philadelphia, we’re not only here to fix your car when something goes wrong...we’re here to help you understand your car, truck, or SUV a little better, too. Here are some tips concerning your thermostat - how it works, what to watch out for, and what to do about it when one fails.

Gauges are your first, and often only, line of defense in catching a major problem before it’s too late. At Harold's Used Auto Parts Inc in Philadelphia, we know that sometimes a faulty gauge is overlooked when the truck is still running fine and there’s a busy day ahead. However, gauges are extremely important, and are typically easy to repair.

Losing a belt on the road can turn a small problem into a big one instantly. At Harold's Used Auto Parts Inc in Philadelphia, we know efficient and cost-effective operation begins with preventative maintenance.

On all modern vehicles, electronic engine controls have truly changed the game in terms of performance, efficiency, and reliability. On diesel trucks, whether you drive a Chevy, Dodge, or Ford, this innovation has been particularly revolutionary. The gains diesel engines have made in the past couple of decades are impressive by any standard, and electronic engine controls are a huge contributor to those developments.

Have you always wondered what a spark plug does? Our team here at Harold's Used Auto Parts Inc is here to help you out. It's simple in theory but does quite a lot of work for such a small piece of equipment. Your spark plug forces electricity to arc across a gap like a bolt of lightning at high voltage and fits into your engine's cylinder head, where it “sparks” to ignite the fuel and creates combustion within your engine. Without it, you wouldn't be able to drive your car or truck. 

At Harold's Used Auto Parts Inc in Philadelphia, routine maintenance and repair isn’t the only thing we do. For custom parts installation, you can also count on us. Common modification enthusiasts do is swapping to a short-throw shifter; but what actually is a short-throw shifter, and what does it do?

At Harold's Used Auto Parts Inc in Philadelphia, PA, we know buying a used car, truck, or SUV can be a gamble. While there are no guarantees, there are key points of inspection that tell us a lot about the condition of a vehicle and how it has been maintained. There are some important points of the inspection we verify when checking out a used vehicle.

At Harold's Used Auto Parts Inc in Philadelphia, we know that few problems are simultaneously as simple and confusing as a bad ground connection on your car, truck, or SUV. Here’s a look at some symptoms of a bad ground, and what you can do to correct it.

At Harold's Used Auto Parts Inc in Philadelphia, PA, we believe it’s important for you to know how different systems in your car, truck, or SUV operate. Whether you want to know what to watch out for, or you’re just curious about how things work, we’re here to supply the answers.

At Harold's Used Auto Parts Inc in Philadelphia, PA, we know how annoying a faulty fuel gauge can be. Never knowing how much gas you have in your car, truck, or SUV, and constantly running the risk of stranding yourself on the road somewhere, takes its toll after a while. Luckily, we can fix that.